package com.my.chapter20;

import java.util.*;
import org.junit.Test;
import net.mindView.atunit.*;
import net.mindview.util.*;

public class practice4 {
    HashSet<String> testObject = new HashSet<String>();
    @Test void _t1() {
        assert testObject.isEmpty();
        testObject.add("one");
    }
    @Test void _t2() {
        assert testObject.isEmpty();
        testObject.add("one");
    }

    public static void main(String[] args)  throws Exception{
        OSExecute.command("java " +
                "net.mindView.atunit.AtUnit practice4");
    }
}
